Sharp EL-738. The HP-10B (F1636A) is a student business calculator introduced in 1987. I'm particular to the 37E and 38E/C, but given the choice between the 10BII and 17BII, the 17BII will get my vote. Once a time I had a 16C and a 15C), Here is some information on the HP10B: Choice is yours. As I see it (in the store) the 10BII has a GREAT display (judging from my 42S the 17B is not?) The list says 'I/O none', looking on Ebay I spoted ads for the IR printer in the box and assuemd that it had IR, right? (In the current line, I still prefer the ARM 12c but not by much) The gold HP 17bII+ is a very distant third. It is simple to use and just complex enough to do advanced math. Sadly, the low-end HP financial calculator does not compare with the Texas Instruments BAII Plus calculator at all. It's not terribly complex to learn how to use- 2 hours solid and you'll have everything you need to know learnd and a small library of solver "programs" input. I like the functions where I can get to them easily, not buried in a menu where I have to think..."Where is NPV?". Hewlett Packard finally utilized the keyboard to its fullest, adding many functions such as depreciation, probability distribution calculations, bonds, expanded statistic capabilities, and depreciation just to name a few. I'm holding out for a hopeful 12c+ someday. HP 10bII Shop now at Amazon. I found two suitable machines for her (I am a RPN guy and she is a algebraic girl) the 10BII and the 17BII. I definitely prefer its algebraic equation editor with solver over the HP-12C's inferior keystroke programming capabilities. I'd almost go with a TI ba35 at that point, too. There ARE other numbered memory registers, but so what? My girlfriend (that is in the economic sphere) needs a new calculator. It really looks (found several on Ebay) like a pleasant screen. The model of this calculator proved to compete well with the higher end RPN HP-12C. Hewlett-Packard Company makes no warranty of any kind with regard to this manual, including, but not limite d to, the implied warranties of merchantability, non-infringement and fitness … Auto power off, … Popular comparisons. I found a nice 10B for $26.99 at Ebay and will also try to get a 17BII to find out which one to keep, by hands on. HP 10bII vs HP 17bII+ 3.15 in. If you can't live with it then go for a 14B. I was unaware of the 10B, but it looked like a _real_ HP to me. No big deal, unless you are having to deal with multiple streams of cash flows, in which case, being able to name a series of cash flows and have more than one in the machine at a time is a good thing. HP 20b. It is often nice to have a single store, sum, and recall memory available with one keystroke. Going back to my first post; screen versus printer, it seems like Spice_Man did find the solution. The 14B (I only found one in Ebay) has this dot matrix screen I try to avoid (burned by the 42S), OT: >are you sure she doesn't want to RPN with you? The HP-10B has the same "red" I/O cover at the top of the calculator, just as all pioneer calculators did. I have both... DEFINITELY buy the 17BII, it is a great calculator for finance. HP 10bII+ Financial Calculator User’s Guide HP Part Number: NW239-90001 Edition 1, May 2010. ii Legal Notice This manual and any examples contained herein are provided “as is” and are subject to change without notice. It has the traditional HP quality, it is easy to use with a wide range of functions. Choice is yours. Disciplines. The functionality of the two versions appears to be identical. 0.7 in. HP 10bII+ HP 10bII. The original HP 17bII wins, hands down. Hewlett Packard added more functions like depreciation, probability distribution calculations, bonds, expanded statistic capabilities, and depreciation. 0.55 in. HP 17bII+ financial calculator. The only disadvantage of the 17BII is a lower contrast display, but it has 2 lines with a soft menu system which is excellent. HP 10bII+ calculator has continuous memory, turning it off does not affect the information you have stored. Sharp EL ... HP 17bII+ HP 10bII. I use this with my 42S, too. 3.58 in. The HP 10bII+ is an upgrade of the HP 10bII. I agree with Gordon. 0.43 in. I've also programmed in a library of conversions that I commonly use (including a sort of fake out for handling the way materials are measured in workshops down to 1/32") If you want to get into the really gritty bits, you can even use conditionals in your solver formulae. I also worked some of the examples with other … LOL, (I do love the form factor of 12C. Second, and not too far from it, the HP 17bII+ silver. M register is just a quick way to store into a memory M, to add to a memory M+ and to recall a memory RM. No I/O. I am an old 41 guy, still using my 41CX that I bough to replace the 41C when it arrived years back. When did HP halted production of this? As odd as it sounds, I use a 17Bii for the kitchen and the formula space is a really nice thing for timing dishes, calculating ingredients, and adjusting quantities for meal population. A don't deal with economic figures (NPV on a button makes me shiver) so is this something really bad that would make the 17BII a better choise despite all?